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Usher 1001B 10" Paper Cone Woofer
What is the impedance of this woofer?
On the Usher spec. sheet, it's listed as 4 ohm nominal @ 1 Khz. On the Usher graph page, it looks to be the 8 ohm impedance you claim it to be.
The nominal impedance for this woofer is 8 ohm. I will have the spec sheet corrected.
Date published: 2012-10-17
What size sealed box?
Recommended sealed box for this woofer is 1.1 cubic feet. This will provide an F3 of 59 Hz and F10 of 34 Hz.
Date published: 2013-03-02
Would this make a decent car sub woofer 2 wired in parallel in that ~1.0 cuft box and realtively low power or would something else be better suited?
looking for something in the 125-1000W range with around 2.10 cuft to spare that goes low and is very clean
I would recommend simply using a single Dayton RSS265HO-4 10" in about .75 cubic feet, or a pair of RSS210HF-4 in about one cubic foot. Either of these options will work very well and be more cost affective for an application like this.
Date published: 2013-09-27
what is the best box for one of these in a stereo pair with a 3 way x-over set at 2khz and 5 khz with a 30hz high pass filter so the woofer is protected from damage. the speakers will be used for listening to rock and techno music.
Hi, Frank. This woofer can perform well in a sealed or ported enclosure, depending upon the specifics of your application. If you will be using a subwoofer, I'd suggest a sealed enclosure of approximately 1.0ft³. This will provide the generally accepted "optimum" Qtc of 0.707, and an F3 frequency of about 64Hz. If you require greater low frequency extension, a ported alignment in the range of 2.5ft³ should do a nice job. Use a 3" port 6" in length to achieve an F3 right around 33Hz.
Date published: 2012-07-21